The US has blamed Iran-backed paramilitary groups for a spate of similar attacks in recent months on the Green Zone, but there has never been a claim of responsibility.
Trump's remarks ratchet up tensions on a day when Iraqi lawmakers voted to pursue the removal of foreign troops from the nation
The vehemently anti-American group, Kataeb Hezbollah, had warned Iraqi security forces to "get away" from US troops
President Trump, in his brief interaction with reporters, said that the situation in Iran has been handled very well.
Trump blamed Tehran for the embassy attack and warned that it would face punishment if Americans are killed
The new design restores the early modernist Chancery Building and recasts the 28-acre embassy compound into a multi-functional campus
Armed man was overpowered by the embassy's security guards